System and method for remediation of waste
CA 2428070 A1 · Owner: Losh, Loren L. · Inventors: Losh, Loren L.; Rosebrook, Donald I.; Haerther, Daryl W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method are provided for aerobic treatment of waste such as , animal or, human waste. The method includes the continual introduction of microalgae. The high, amounts of oxygen produced by the microalgae satisfies the biochemical oxygen demand in, the treatment process and also allows oxidation of undesirable contaminants. Delivery of the, microalgae at a desired rate is achieved by incorporation of a series of electrical and, mechanical devices housed within a greenhouse type structure which optimizes growth, conditions for the microalgae, and also allows the system to be automated.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 7, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 7, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 7, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.